Captions can be hided one by one per local options, or All in same time in a global option
<div class="tp-caption medium_bg_asbestos lft" data-x="center" data-y="center" data-hoffset="0" data-voffset="0" data-speed="800" data-start="3300" data-easing="Power4.easeOut" data-endspeed="300" data-endeasing="Power1.easeIn" data-captionhidden="on" style="z-index: 6">HIDE ALREADY AT 650PX </div>
	  	<script type="text/javascript">
				var revapi;
				jQuery(document).ready(function() {
					   revapi = jQuery('.tp-banner').revolution(
						{
							delay:9000,
							startwidth:1170,
							startheight:500,
							hideThumbs:10,
							hideCaptionAtLimit:650,
							hideAllCaptionAtLimit:400
						});
				});
			</script>